Electronics Worksheet: Circuit Symbols

Electronics lesson 7: Circuit symbols · Set 866 · 40 questions

Remember (Shape tells the part): Cell: long and short line (long = +). Battery: two or more cells. Wire: straight line. Junction: a dot. Bulb: circle with a cross. Switch: line lifted at a gap. Resistor: rectangle. Capacitor: two equal parallel lines. Diode: triangle against a bar; LED: the same with two arrows out. Circle with M = motor, A = ammeter, V = voltmeter.

1. 1.✏️ In a circuit diagram, which part is drawn as a circle with A inside? (a) ammeter (b) wire (c) diode (d) LED
2. 2.✏️ In a cell symbol, which line is the + terminal? (a) both lines (b) the longer line (c) neither line (d) the shorter line
3. 3.True or false: a circle with an X in it is the symbol for a diode. (a) True (b) False
4. 4.✏️ Why do engineers draw circuits with symbols? (a) quick and clear for all (b) to make it colourful (c) symbols are heavier (d) to hide the circuit
5. 5.✏️ In a circuit diagram, which part is drawn as a circle with V inside? (a) voltmeter (b) switch (c) motor (d) diode
6. 6.Which drawing is the symbol for a resistor? (a) triangle, bar and arrows (b) a long and a short line (c) a circle with M inside (d) a plain rectangle
7. 7.Which drawing is the symbol for a wire? (a) many long-short pairs (b) a line lifted at a gap (c) two or more cell symbols (d) a straight line
8. 8.True or false: two or more cell symbols is the symbol for a switch. (a) True (b) False
9. 9.True or false: a long and a short line is the symbol for a cell. (a) True (b) False
10. 10.✏️ In a circuit diagram, which part is drawn as a circle with M inside? (a) voltmeter (b) LED (c) diode (d) motor
11. 11.Which drawing is the symbol for a switch? (a) a line lifted at a gap (b) two equal parallel lines (c) one tall, one short bar (d) a plain rectangle
12. 12.True or false: a dot where wires meet is the symbol for a junction. (a) False (b) True
13. 13.True or false: a circle with a cross is the symbol for an ammeter. (a) True (b) False
14. 14.✏️ In a circuit diagram, which part is drawn as two or more cell symbols? (a) resistor (b) cell (c) motor (d) battery
15. 15.✏️ In a circuit diagram, which part is drawn as one tall, one short bar? (a) wire (b) cell (c) diode (d) ammeter
16. 16.Which drawing is the symbol for a motor? (a) a small empty box (b) many long-short pairs (c) a circle with M inside (d) a plain rectangle
17. 17.✏️ In a circuit diagram, which part is drawn as a dot where wires meet? (a) bulb (b) junction (c) cell (d) battery
18. 18.✏️ In a circuit diagram, which part is drawn as a circle with an X in it? (a) ammeter (b) resistor (c) battery (d) bulb
19. 19.✏️ In a circuit diagram, which part is drawn as a circle with a cross? (a) cell (b) diode (c) switch (d) bulb
20. 20.Which drawing is the symbol for a cell? (a) a plain rectangle (b) a long and a short line (c) many long-short pairs (d) triangle against a bar
21. 21.True or false: two equal parallel lines is the symbol for a capacitor. (a) False (b) True
22. 22.True or false: a circle with A inside is the symbol for an LED. (a) True (b) False
23. 23.Which drawing is the symbol for an ammeter? (a) triangle, bar and arrows (b) a dot where wires meet (c) a circle with A inside (d) a circle with V inside
24. 24.True or false: triangle against a bar is the symbol for a diode. (a) True (b) False
25. 25.✏️ In a circuit diagram, which part is drawn as a straight line? (a) wire (b) ammeter (c) cell (d) voltmeter
26. 26.✏️ In a circuit diagram, which part is drawn as triangle against a bar? (a) cell (b) LED (c) ammeter (d) diode
27. 27.✏️ In a circuit diagram, which part is drawn as triangle, bar and arrows? (a) ammeter (b) cell (c) wire (d) LED
28. 28.Which drawing is the symbol for a junction? (a) a long and a short line (b) a plain rectangle (c) two or more cell symbols (d) a dot where wires meet
29. 29.✏️ In a circuit diagram, which part is drawn as a plain rectangle? (a) motor (b) capacitor (c) resistor (d) junction
30. 30.True or false: a circle with A inside is the symbol for a bulb. (a) False (b) True
31. 31.Which drawing is the symbol for a voltmeter? (a) a long and a short line (b) a straight line (c) a circle with V inside (d) two equal parallel lines
32. 32.✏️ In a circuit diagram, which part is drawn as a line lifted at a gap? (a) battery (b) switch (c) cell (d) voltmeter
33. 33.True or false: a circle with an X in it is the symbol for a wire. (a) True (b) False
34. 34.Which drawing is the symbol for a battery? (a) one tall, one short bar (b) a small empty box (c) triangle against a bar (d) two or more cell symbols
35. 35.True or false: one tall, one short bar is the symbol for a bulb. (a) True (b) False
36. 36.✏️ In a circuit diagram, which part is drawn as a long and a short line? (a) motor (b) diode (c) cell (d) junction
37. 37.✏️ In a circuit diagram, which part is drawn as many long-short pairs? (a) motor (b) LED (c) junction (d) battery
38. 38.True or false: a plain rectangle is the symbol for a resistor. (a) True (b) False
39. 39.True or false: a long and a short line is the symbol for a diode. (a) True (b) False
40. 40.True or false: two equal parallel lines is the symbol for an ammeter. (a) False (b) True

Free electronics lessons, practice and worksheets at talentjr.in/electronics-for-kids